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Wamsutter, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wamsutter, a town in Sweetwater County, Wyoming.

Today
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then showers and thunderstorms. Partly sunny. High near 65, with temperatures falling to around 60 in the afternoon. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Wamsutter

WhenTempForecastWindPrecip
Today 65°F Chance Showers And Thunderstorms 9 mph SW 80%
Tonight 38°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 7 mph WSW 73%
Sunday 60°F Mostly Sunny 3 to 9 mph W 13%
Sunday Night 34°F Mostly Clear 1 to 5 mph NE 0%
Monday 64°F Sunny 2 to 6 mph S 0%
Monday Night 37°F Mostly Clear 3 mph SSE 0%
Tuesday 69°F Mostly Sunny 3 to 12 mph S 2%
Tuesday Night 41°F Chance Showers And Thunderstorms 7 mph SSW 34%
Wednesday 67°F Slight Chance Rain Showers then Mostly Sunny 9 to 13 mph SW 20%
Wednesday Night 40°F Mostly Clear 6 mph SW 1%
Thursday 70°F Sunny 7 mph SSW 4%
Thursday Night 43°F Partly Cloudy 3 mph SSE 5%
Friday 70°F Mostly Sunny 6 to 12 mph S 9%
Friday Night 43°F Slight Chance Showers And Thunderstorms 8 mph SSW 15%

Forecast source: National Weather Service (api.weather.gov) for Wamsutter (41.668, -107.979). Updated through the day.

Growing snapshot for Wamsutter

Last spring frost
Jun 5
First fall frost
Sep 14
Growing season
101 days
Hardiness zone
4b

More local growing data for Wamsutter: nearby ZIP 82336 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Wamsutter, Wy (12 mi from Wamsutter). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.